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Tracker on the cheap | 18 comments (18 topical, editorial)
Re: Tracker on the cheap (3.00 / 0) (#14)
by GaryGary (gary@BuildItSolar.com) on Wed Mar 8th, 2006 at 08:03:29 AM MST
(User Info) http://www.BuildItSolar.com

Hi,

Nice Job!

You can look up the gain for tracking here:
http://rredc.nrel.gov/solar/pubs/redbook/
Just download the data for your state, and lookup the difference between "Flat plate Facing South" and "1-Axis Tracking".

For Albuquerque, NM its:

  1. 4 KWH/sqm - day for no tracking
  2. 5 KWH/sqm - day for 1 axis tracking
  3. 5/6.4 = 1.33 or 33% gain.
Its probably a bit less in areas that are more cloudy.

Gary

Gary gary@BuildItSolar.com www.BuildItSolar.com



Re: Tracker on the cheap (3.00 / 0) (#15)
by Volvo farmer on Wed Mar 8th, 2006 at 08:39:20 AM MST
(User Info)

Thanks, Great info there!

Volvo Farmer

May you always have success in your quest to irritate those who you despise. -Ben Goode
[ Parent ]



Re: Tracker on the cheap (3.00 / 0) (#16)
by GaryGary (gary@BuildItSolar.com) on Fri Mar 10th, 2006 at 06:34:26 PM MST
(User Info) http://www.BuildItSolar.com

Hi,

Hope you don't mind -- I put a copy of your post on the cheap tracker here on my website: http://www.builditsolar.com/Projects/PV/pv.htm#Tracking

If you would rather not have it there, just let me know and I'll remove it.
I try to pick up good projects that people can build, and this tracker you did seems like a really good one.

Gary
Gary gary@BuildItSolar.com www.BuildItSolar.com
[ Parent ]



Tracker on the cheap | 18 comments (18 topical, 0 editorial)

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